Remove dependency of power_save_blocker_android on various content bits

content/browser/devtools/render_frame_devtools_agent_host.h

Index: content/browser/devtools/render_frame_devtools_agent_host.h
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.h b/content/browser/devtools/render_frame_devtools_agent_host.h
index 983a10e0b2d5780add270bd9cd0118d3e41ec672..e5d1d83b6ca6d68db164cef3f19c3e13eda40f43 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.h
+++ b/content/browser/devtools/render_frame_devtools_agent_host.h
@@ -15,6 +15,10 @@
 #include "content/common/content_export.h"
 #include "content/public/browser/web_contents_observer.h"
 
+#if defined(OS_ANDROID)
+#include "ui/android/view_android.h"
+#endif  // OS_ANDROID
+
 namespace cc {
 class CompositorFrameMetadata;
 }
@@ -117,6 +121,7 @@ class CONTENT_EXPORT RenderFrameDevToolsAgentHost
       int error_code,
       const base::string16& error_description,
       bool was_ignored_by_handler) override;
+  void WebContentsDestroyed() override;
 
   void AboutToNavigateRenderFrame(RenderFrameHost* old_host,
                                   RenderFrameHost* new_host);
@@ -167,6 +172,7 @@ class CONTENT_EXPORT RenderFrameDevToolsAgentHost
   std::unique_ptr<DevToolsFrameTraceRecorder> frame_trace_recorder_;
 #if defined(OS_ANDROID)
   std::unique_ptr<PowerSaveBlockerImpl> power_save_blocker_;
+  std::unique_ptr<base::WeakPtrFactory<ui::ViewAndroid>> view_weak_factory_;
 #endif
   std::unique_ptr<DevToolsProtocolHandler> protocol_handler_;
   bool current_frame_crashed_;